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 JS
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Detailed Insider History for:
KLAVIYO INC: KVYO
Price: 11/14/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$28.61 $49.55 $23.44 $8,599 138 3,082 0.0% 5.3% 91.25% 1.08%
Exch Sector Industry Sub-Industry
NYSE Services Business Services Services- Prepackaged Software
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
4
100%
-15%
1
ROWLAND STEPHEN ERIC
PR
AS
$194,579
7,104
---
11/17/25
---
$27.39
441,398
-1.6
D
R,10b
11/18/25 - 4:12:39 pm
2
    
 
ROWLAND STEPHEN ERIC
PR
JB
---
51,312
11/15/25
11/17/25
---
---
454,371
12.7
D
R,10b
11/18/25 - 4:12:39 pm
3
    
 
EDMOND LANDON
LO
JB
---
22,500
11/15/25
11/17/25
---
---
404,010
5.9
D
R
11/18/25 - 4:10:56 pm
4
6m
2
100%
-19%
2
GALVIN CARMEL
HR
AS
$306,925
11,156
---
11/17/25
---
$27.11
639,860
-1.7
D
R,10b
11/18/25 - 4:08:33 pm
5
    
 
ROWLAND STEPHEN ERIC
PR
JS
$982,067
34,326
---
11/15/25
---
$28.61
420,045
-7.6
D
R,10b
11/18/25 - 4:12:39 pm
6
    
 
EDMOND LANDON
LO
JS
$692,877
24,218
---
11/15/25
---
$28.61
379,792
-6.0
D
R
11/18/25 - 4:10:56 pm
7
    
 
FERNANDEZ GOMEZ LUCIANO
DIR
JS
$1,245,479
43,533
---
11/15/25
---
$28.61
83,852
-34.2
D
R
11/18/25 - 4:09:52 pm
8
    
 
GALVIN CARMEL
HR
JS
$710,014
24,817
---
11/15/25
---
$28.61
651,016
-3.7
D
R,10b
11/18/25 - 4:08:33 pm
9
    
 
WHALEN AMANDA
CFO
JS
$1,289,109
45,058
---
11/15/25
---
$28.61
466,174
-8.8
D
R,10b
11/18/25 - 4:07:10 pm
10
    
 
WHALEN AMANDA
CFO
JB
---
44,513
11/14/25
11/15/25
---
---
511,232
9.5
D
R,10b
11/18/25 - 4:07:10 pm
11
1y
4
50%
-9%
1
WHALEN AMANDA
CFO
AS
$428,934
15,000
---
11/14/25
---
$27.89
481,719
-3.0
D
R,10b
11/18/25 - 4:07:10 pm
12
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$4,177,399
140,464
---
11/11/25
---
$29.74
---
All
D
10b
11/13/25 - 4:24:59 pm
13
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
140,464
---
11/11/25
---
---
140,464
New
D
10b
11/13/25 - 4:24:59 pm
14
    
 
HALLEN ED
DIR,BO
AS
$1,871,555
62,303
11/10/25
11/11/25
---
$30.00
168,659
-27.0
I
10b
11/12/25 - 7:51:42 pm
15
    
 
HALLEN ED
DIR,BO
JS
---
40,512
---
11/10/25
---
---
610,784
-6.2
I
10b
11/12/25 - 7:51:42 pm
16
1y
4
100%
-15%
1
ROWLAND STEPHEN ERIC
PR
AS
$173,007
7,105
---
10/15/25
---
$24.35
431,516
-1.6
D
R,10b
10/16/25 - 4:11:47 pm
17
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$3,980,377
163,331
---
10/14/25
---
$24.37
---
All
D
10b
10/16/25 - 4:09:47 pm
18
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
163,331
---
10/14/25
---
---
163,331
New
D
10b
10/16/25 - 4:09:47 pm
19
1y
4
50%
-9%
1
WHALEN AMANDA
CFO
AS
$248,437
9,808
---
10/10/25
---
$25.33
486,911
-2.0
D
R,10b
10/10/25 - 5:36:15 pm
20
1y
4
50%
-9%
1
WHALEN AMANDA
CFO
AS
$126,944
5,192
---
10/10/25
---
$24.45
481,719
-1.1
D
R,10b
10/10/25 - 5:36:15 pm
21
    
 
WHALEN AMANDA
CFO
JB
---
15,000
---
10/10/25
---
---
496,719
3.1
D
R,10b
10/10/25 - 5:36:15 pm
22
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$4,035,088
159,508
---
10/7/25
---
$25.07
---
All
D
10b
10/9/25 - 4:01:41 pm
23
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
159,508
---
10/7/25
---
---
159,508
New
D
10b
10/9/25 - 4:01:41 pm
24
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$3,960,362
137,224
---
9/30/25
---
$27.70
---
All
D
10b
10/2/25 - 4:06:30 pm
25
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
137,224
---
9/30/25
---
---
137,224
New
D
10b
10/2/25 - 4:06:30 pm
26
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$7,492,236
211,358
---
9/23/25
---
$35.01
---
All
D
10b
9/25/25 - 4:11:15 pm
27
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
211,358
---
9/23/25
---
---
211,358
New
D
10b
9/25/25 - 4:11:15 pm
28
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$7,323,768
226,382
---
9/16/25
---
$31.76
---
All
D
10b
9/17/25 - 4:38:16 pm
29
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
226,382
---
9/16/25
---
---
226,382
New
D
10b
9/17/25 - 4:38:16 pm
30
    
 
HALLEN ED
DIR,BO
JS
---
20,260
---
9/15/25
---
---
702,216
-2.8
I
10b
9/17/25 - 4:40:28 pm
31
    
 
HALLEN ED
DIR,BO
AS
$2,845,926
89,748
---
9/15/25
$31.65
$31.73
177,776
-33.5
I
10b
9/17/25 - 4:40:28 pm
32
    
 
FERNANDEZ GOMEZ LUCIANO
DIR
JB
---
100,597
---
9/15/25
---
---
127,385
375.5
D
R
9/17/25 - 4:19:32 pm
33
1y
4
100%
-15%
1
ROWLAND STEPHEN ERIC
PR
AS
$226,518
7,105
---
9/15/25
---
$31.24
438,621
-1.6
D
R,10b
9/17/25 - 4:15:30 pm
34
1y
4
50%
-9%
1
WHALEN AMANDA
CFO
AS
$472,500
15,000
---
9/12/25
---
$31.50
481,719
-3.0
D
R,10b
9/12/25 - 6:10:00 pm
35
    
 
WHALEN AMANDA
CFO
JB
---
11,204
---
9/12/25
---
---
496,719
2.3
D
R,10b
9/12/25 - 6:10:00 pm
36
    
 
HALLEN ED
DIR,BO
JS
---
990,000
---
9/11/25
---
---
---
All
D
---
9/12/25 - 6:08:57 pm
37
    
 
HALLEN ED
DIR,BO
JB
---
990,000
---
9/11/25
---
---
990,000
New
D
---
9/12/25 - 6:08:57 pm
38
    
 
HALLEN ED
DIR,BO
JB
---
990,000
---
9/11/25
---
---
790,000
---
I
---
9/12/25 - 6:08:57 pm
39
1y
1
0%
39%
4
ST LEDGER SUSAN
DIR
AS
$109,899
3,413
---
9/10/25
---
$32.20
10,939
-23.8
D
R,10b
9/12/25 - 6:07:48 pm
40
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$7,046,573
220,481
---
9/9/25
---
$31.96
---
All
D
10b
9/11/25 - 4:06:10 pm
41
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
220,481
---
9/9/25
---
---
220,481
New
D
10b
9/11/25 - 4:06:10 pm
42
1y
17
35%
1%
12
SUMMIT PARTNERS L P
BO
JS*
$127,480,000
4,000,000
---
9/8/25
---
$31.87
---
All
I
---
9/10/25 - 4:15:16 pm
43
    
 
SUMMIT PARTNERS L P
BO
JB
---
4,000,000
---
9/8/25
---
---
4,000,000
New
I
---
9/10/25 - 4:15:16 pm
44
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$6,922,960
223,304
---
9/2/25
---
$30.76
---
All
D
10b
9/4/25 - 4:15:29 pm
45
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
223,304
---
9/2/25
---
---
223,304
New
D
10b
9/4/25 - 4:15:29 pm
46
    
 
BIALECKI ANDREW
CEO,DIR,BO
JS
---
3,500,000
---
8/28/25
---
---
---
All
D
10b
8/28/25 - 4:08:51 pm
47
    
 
BIALECKI ANDREW
CEO,DIR,BO
JB
---
3,726,702
8/26/25
8/28/25
---
---
3,500,000
---
D
10b
8/28/25 - 4:08:51 pm
48
6m
1
100%
-19%
1
BIALECKI ANDREW
CEO,DIR,BO
AS
$7,140,300
226,702
---
8/26/25
---
$31.21
---
All
D
10b
8/28/25 - 4:08:51 pm
49
1y
17
35%
1%
12
SUMMIT PARTNERS L P
BO
JS*
$29,259,750
975,000
---
8/25/25
---
$30.01
---
All
I
---
8/27/25 - 4:05:07 pm
50
    
 
SUMMIT PARTNERS L P
BO
JB
---
975,000
---
8/25/25
---
---
975,000
New
I
---
8/27/25 - 4:05:07 pm
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